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17.2.2
17.2.2
17.2.2
17.2.2
17.2.2
For the load schedule shown in Section 12.1.2, the
following system program is recommended:
System Program 2
Selected Load Control Strategy:
Fixed Priority.
System Configuration:
Six relays installed.
Heating System:
Four circuits: heat pump with electric
forced air furnace, forced air furnace controls heat in fixed
sequence. Hot water heater (#2) and dryer (#1) connected
to unit, 2 circuits. Heat pump compressor not
connected.
Electrical Service Size:
40 KW.
Demand Averaging Period:
30 minutes.
“Actual”
Display
“Limit”
Question
Answer
oL
Off-peak demand limit
oFF
nr
# of Relays
6
Pr1
Priority for Load #1
1
Pr2
Priority for Load #2
2
Pr3
Priority for Load #3
3
Pr4
Priority for Load #4
4
Pr5
Priority for Load #5
5
Pr6
Priority for Load #6
6
on1
Min. On Time Load #1
0
on2
Min. On Time Load #2
0
on3
Min. On Time Load #3
0
on4
Min. On Time Load #4
0
on5
Min. On Time Load #5
0
on6
Min. On Time Load #6
0
oF1
Min. Off Time Load #1
0
oF2
Min. Off Time Load #2
0
oF3
Min. Off Time Load #3
0
oF4
Min. Off Time Load #4
0
oF5
Min. Off Time Load #5
0
oF6
Min. Off Time Load #6
0
AP
Averaging Period
30
dr
Demand range
40
17.2.3
17.2.3
17.2.3
17.2.3
17.2.3
For the load schedule shown in 12.1.3, the following
program is recommended:
System Program 3
Selected Load Control Strategy:
Fixed Priority.
System Configuration:
Seven Relays installed.
Heating System:
Five circuits: heat pump with electric
forced air furnace, forced air furnace controls heat in
27
17.2 Examples of
Programs
17.2.1
17.2.1
17.2.1
17.2.1
17.2.1
For the load schedule shown in Section 12.1.1 the
following system program is recommended:
System Program 1
Selected Load Control Strategy:
Fixed/Rotate Combi-
nation.
System Configuration:
Eight relays installed.
Installed Heating System:
Six circuits, electric
baseboard or radiant ceiling; dryer (#1) and hot water
heater (#2), connected to unit, 2 circuits.
Electrical Service Size:
40 KW.
Averaging Period:
15 minutes.
___________________________________________
“Actual”
Display
“Limit”
Question
Answer
oL
Off-peak demand limit
oFF
nr
# of Relays
8
Pr1
Priority for Load #1
1
Pr2
Priority for Load #2
2
Pr3
Priority for Load #3
3
Pr4
Priority for Load #4
3
Pr5
Priority for Load #5
3
Pr6
Priority for Load #6
3
Pr7
Priority for Load #7
3
Pr8
Priority for Load #8
3
on1
Min. On Time Load #1
0
on2
Min. On Time Load #2
0
on3
Min. On Time Load #3
0
on4
Min. On Time Load #4
0
on5
Min. On Time Load #5
0
on6
Min. On Time Load #6
0
on7
Min. On Time Load #7
0
on8
Min. On Time Load #8
0
oF1
Min. Off Time Load #1
0
oF2
Min. Off Time Load #2
0
oF3
Min. Off Time Load #3
0
oF4
Min. Off Time Load #4
0
oF5
Min. Off Time Load #5
0
oF6
Min. Off Time Load #6
0
oF7
Min. Off Time Load #7
0
oF8
Min. Off Time Load #8
0
AP
—
Averaging Period
15
dr
—
Demand Range
40